<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>修改手机号码</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            margin: 0;
            padding: 20px;
            background-color: #f4f4f4;
        }
        form {
            background-color: #fff;
            padding: 20px;
            border: 1px solid #ddd;
            border-radius: 5px;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        input[type="text"] {
            padding: 8px;
            border: 1px solid #ddd;
            border-radius: 3px;
        }
        input[type="submit"] {
            background-color: #4CAF50;
            color: white;
            padding: 10px 20px;
            border: none;
            border-radius: 3px;
            cursor: pointer;
        }
    </style>
</head>
<body>
<h2>修改手机号码</h2>
<form action="${pageContext.request.contextPath}/user/updatePhone" method="post">
    <label for="newPhoneNumber">新手机号码：</label>
    <input type="text" id="newPhoneNumber" name="newPhoneNumber" required><br>
    <input type="submit" value="确认修改">
</form>
</body>
</html>